Q:What is your main product?A:We can supply the window system (including profile, hardware, accessories, glass) as well as the finished products ready forinstallation. Q:How can I know your price?A:The price is based on buyer's specific requirement, so please provide below information to help us quote exact price to you.1) Shop drawing / window schedule to show the window dimensions, quantity and type; 2) Frame color; 3) Type of glass and thickness (single or double or laminated or others) and color (clear, tinted, reflective, Low-E or others,with Argon or without).Q:What kind of service will you provide?A:We are able to provide the engineering as well as supervising service to guide installation our windows and doors.